Warp beam



NOW 1934- s. M. FULTON ET AL 1,

WARP BEAM Filed Feb. 10, 1931 STEPHEN M. FULTON WILLSAM B. m mz gg gPatented Nov. 20, 1934 UNITED STATES 1,981,142 WARP BEAM Stephen MillerFulton and William Beggs McVeigh, Spondon, near Derby, England,assigners to CelaneseOorporation of America, a corporation of DelawareApplication February 10, 1931, Serial No. 514,766 In Great Britain April1,1930

2 Claims.

The present invention relates to warp beams, and more particularly towarp beams whose flanges are adjustable along the beam to give anyrequired distance between the flanges.

In the usual type of flanged warp beam, the

' flanges are clamped on to a wooden or metal barrel and have a tendencyto slip under the pressure of the yarn during processing. If, in orderto overcome this difliculty, screwed flanges threaded -on to the beamare employed, defects may arise as 'the result of mutilation of thethreads on the beam. Thus, if the flanges are secured in adjustedposition by means of set-screws which engage longitudinal slots in thethreaded portions of the beam, the threads on the beam may be damagedshould the set-screws not be withdrawn sufiiciently from the slots whenit is required to screw the flanges along the beam for adjustment, orshould the set-screws be tightened while they -are not registering withthe slots.

The object of this invention is to provide a warp beam having a screwedbarrel and. flanges which can be firmly secured thereon in any adjustedposition, in which any risk of damaging the screw is obviated.

A warp beam according to the invention comprises a barrel, a flangeadapted to be screwed on to external threads at an end of the barrel,and means for locking together the threads of the flange and the barrel.Thus, for example,

a metal flange may have a relatively thin boss extending towards the endof the barrel, which boss is slotted so that it can be compressed intoflrm engagement with the barrel by means such as a split collarsurrounding the boss and capable they may be symmetrically arrangedalong the length of the beam.

The beam barrel may consist of a metal tube whose ends are screwed tosecure the flanges, or a wooden or other non-metallic barrel may beused, to whose ends threaded metal tubes are secured to receive thescrewed flanges.

Forms of beam according to the invention Will now be described by way ofexample with respect to the accompanying drawing, in which:

5 Fig. 1 is an elevation and sectional elevation of the left and righthand ends respectively of a Warp beam, fitted with oneformof'flange-locking device, I

Fig. 2 is a sectional end elevation on the'line 22 of Fig. 1,

Fig. 3 is a part-sectional elevation of another form of flange-lockingdevice fitted to the end of a warp beam,

Fig. 4 is a part-sectional end elevation on the line 4-4 of Fig. 3, and

Fig. 5 is an elevation of a further form of flange-locking device.

In Fig. l, a beam barrel 6 of iron, steel, aluminum or other metal isprovided with a finely threaded portion 7 extending for some distancefrom its ends. Threaded on to this portion 7 is a flange 8 provided withan internally threaded boss 9 having a reduced portion 10 of relativelysmall thickness. A number of slots 11, four of which are shown, areprovided in this reduced portion 10 for some distance from the end andpass completely through the thickness of the boss in order to provideflexibility and allow the internal threads of the boss to be compressedinto engagement with the threads of the beam barrel. Mounted on thereduced portion 10 is a locking collar 12 provided with lugs, aclearance slot 13 between the lugs, and a bolt 14 passing through thelugs, by means of which the collar may be contracted and caused to nipon the reduced portion of the boss to cause the threads of the flangeand beam barrel to be locked together. A slight recess (not shown) maybe provided in the outer surface of the reduced portion 10 to receivethe locking collar 12, so that there is no tendency for the collar toslip off the boss when the bolt 14 is slackened off.

The threaded end portion of the beam 7 is provided with an end cap 15having a journal pin 16 for carrying the warp beam either in a warpbeaming machine or in a loom, and holes 17 are provided at intervalsalong the barrel 6 in order that the warp which is to be wound on to thebeam may be secured therein.

In Figs. 3 and 4, the flange 8 has a boss 9, slots 11 passing completelythrough the boss for some distance from its end, which boss 9 isprovided with a tapered external thread 18 on which is mounted a nut 19having a tapered internal thread and slots 20 on its periphery forengagement with a tightening tool, so that rotation of the nut up thetapered thread causes the boss to be contracted and thereby locktogether the threads of the flange and beam barrel.

In Fig. 5, a beam barrel 6 is provided with a threaded portion 7, and aflange 8 having an internally threaded boss 9 adapted to be screwed onto the threaded beam barrel 7. A lock-nut 21 provided on the threadedportion '7 is tightened against the end face of the boss to secure theflange in position.

When it is required to adjust the width between the flanges, the lockingcollars or nuts, as the case may be, are slackened, the flanges screwedalong the beam to the required positions, and the locking collars ornuts are tightened again. With this arange-ment theflanges remainperfectly square with the beam barrel in any ad justed position, and norisk of damage to the thread is occasioned during the movement of theflanges or in securing them in position. v

It will be seen that once the flanges havebeen secured upon the beambarrel by the tightening up of the locking device, it is impossible forthe flanges to slip under pressure of the yarn during processing.

What we claim and desire to secure by Letters Patent is:-

1. A warp beam comprising a barrel with an externally threaded end, aninternally threaded flange adapted to be screwed and adjustablypositioned on said end, said flange being provided with a slotted andinternally threaded boss adapted to be screwed on said end and a collarsurrounding the internally threaded, slotted boss to 1 contract saidslotted boss so as to press the threads 'of the flange onto those of thebarrel.

